/* ============================================================
   HEADER.CSS — En-tête & Navigation principale
   Gioacchino.fr
   ============================================================ */

#site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-near-black);
    color: var(--color-white);
    padding: 1.1rem var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

/* ── Logo ───────────────────────────────────────────────────── */
#site-logo a {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    font-weight: 400;
    font-style: italic;
    color: var(--color-white);
    letter-spacing: 0.04em;
    transition: color var(--transition-fast);
}

#site-logo a:hover {
    color: var(--color-gold);
}

/* ── Navigation ─────────────────────────────────────────────── */
#site-nav ul {
    list-style: none;
    display: flex;
    gap: var(--space-md);
}

#site-nav a {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    padding-bottom: 3px;
    border-bottom: 1px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

#site-nav a:hover {
    color: var(--color-white);
    border-bottom-color: rgba(196, 168, 98, 0.5);
}

/* Lien de la page courante (géré par main.js via aria-current) */
#site-nav a[aria-current="page"] {
    color: var(--color-white);
    border-bottom-color: var(--color-gold);
}

/* ── Choix de la Langue ───────────────────────────────────────── */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
}

.lang-btn {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-white);
}

.lang-btn.active {
    color: var(--color-gold);
    font-weight: 500;
}

.lang-sep {
    color: rgba(255, 255, 255, 0.2);
}

/* ── Bouton burger (masqué sur desktop) ──────────────────────── */
#nav-toggle {
    display: none;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--color-white);
    cursor: pointer;
    padding: 6px 10px;
    font-size: 1.2rem;
    line-height: 1;
    border-radius: 2px;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

#nav-toggle:hover {
    border-color: var(--color-gold);
    background-color: rgba(255, 255, 255, 0.05);
}

/* ── Responsive ≤ 768px ──────────────────────────────────────── */
@media (max-width: 768px) {

    #site-header {
        flex-wrap: wrap;
        padding: 0.85rem var(--space-sm);
        gap: 0.5rem;
    }

    /* Logo et burger sur la même ligne */
    #site-logo {
        flex: 1;
    }

    #nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        order: 2;
    }

    /* Lang switch suit le burger, resserré */
    .lang-switch {
        order: 3;
    }

    /* Nav masquée par défaut, prend toute la largeur en dessous */
    #site-nav {
        display: none;
        width: 100%;
        order: 4;
        background-color: var(--color-near-black);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 0.5rem 0;
        animation: navSlideDown 0.22s ease-out both;
    }

    #site-nav.is-open {
        display: block;
    }

    #site-nav ul {
        flex-direction: column;
        gap: 0;
    }

    #site-nav a {
        display: block;
        padding: 0.75rem var(--space-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        font-size: 0.8rem;
    }

    #site-nav a:last-child {
        border-bottom: none;
    }

    #site-logo a {
        font-size: 1.25rem;
    }
}

@keyframes navSlideDown {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}